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Message/SymptomFRU/Action
Non-systemdiskordiskerror-typemessagewitha
known-gooddiagnosticdiskette.
1.DisketteDrive
2.SystemBoard
3.DisketteDriveCable
Otherdisplaysymptomsnotlistedabove(includingblank
orillegibledisplay)
1.Display
2.SystemBoard
Power-onindicatororharddiskdrivein-uselightnoton,
butcomputerworkscorrectly
1.Powerswitch/LEDassembly
2.SystemBoard
Printerproblems1.Printer
2.SystemBoard
Programloadsfromtheharddiskwithaknown-good
diagnosticsdisketteintherst3.5-inchdiskettedrive
1.RunSetupandcheckStartupsequence.
2.DisketteDrive
3.DisketteDriveCable
4.SystemBoard
5.PowerSupply
RPLcomputercannotaccessprogramsfromitsownhard
disk.
1.IfnetworkadministratorisusingLCCMHybridRPL,
checkstartupsequence:
a.Firstdevice-network
b.Seconddevice-harddisk
2.Harddiskdrive
RPLcomputerdoesnotRPLfromserver
1.Checkstartupsequence
2.CheckthenetworkadapterLEDstatus
Serialorparallelportdevicefailure(systemboardport)1.ExternalDeviceSelf-TestOK?
2.ExternalDevice
3.Cable
4.SystemBoard
Serialorparallelportdevicefailure(adapterport)1.ExternalDeviceSelf-TestOK?
2.ExternalDevice
3.Cable
4.AlternateAdapter
5.SystemBoard
Someorallkeysonthekeyboarddonotwork
1.Keyboard
2.KeyboardCable
3.SystemBoard
Undeterminedproblems
Ifyouencounterundeterminedproblems,dothefollowing:
1.Turnoffthecomputerandthepower.
2.Removeordisconnectthefollowingcomponents(ifinstalled)oneatatime.
a.Externaldevices(modem,printer,ormouse)
b.Anyadaptercards
c.Memorymodules
Chapter6.Symptom-to-FRUindex59
- LenovoM4350 1
- HardwareMaintenanceManual 1
- FirstEdition(August2013) 2
- Contents 3
- Chapter9.Additionalservice 4
- AppendixA.Notices.........109 4
- Index.................111 4
- Aboutthismanual 5
- Chapter1.Safetyinformation 7
- Voltage-selectionswitch 9
- Safetyinspectionguide 9
- Groundingrequirements 10
- Chapter1.Safetyinformation5 11
- .Safetyinformation7 13
- Chapter1.Safetyinformation9 15
- .Safetyinformation11 17
- .Safetyinformation13 19
- Chapter1.Safetyinformation15 21
- ≥18kg≥32kg≥55kg 23
- .Safetyinformation19 25
- Chapter1.Safetyinformation23 29
- Chapter2.Generalinformation 33
- LenovoSupportWebsite 34
- Chapter3.Generalcheckout 35
- Basictroubleshooting 37
- Troubleshootingprocedure 38
- Troubleshooting 38
- Audioproblems 39
- CDproblems 40
- DVDproblems 41
- Intermittentproblems 42
- Harddiskdriveproblems 43
- Monitorproblems 45
- Networkingproblems 46
- AwirelessLANproblem 48
- AwirelessWANproblem 48
- Bluetoothproblem 48
- Optionproblems 49
- Performanceandlockupproblems 49
- Printerproblems 51
- Serialportproblems 51
- Softwareproblems 52
- USBproblems 52
- Diagnostics 53
- LenovoSolutionCenter 53
- Viewingandchangingsettings 55
- Usingpasswords 55
- Passwordconsiderations 56
- Power-OnPassword 56
- AdministratorPassword 56
- HardDiskPassword 56
- Enablingordisablingadevice 57
- Selectingastartupdevice 57
- EnablingErPcompliancemode 58
- ExitingtheSetupUtilityprogram 59
- Chapter6.Symptom-to-FRUindex 61
- POSTerrorcodes 62
- .Symptom-to-FRUindex57 63
- Miscellaneouserrormessages 64
- Undeterminedproblems 65
- Chapter7.Locations 67
- LocatingmajorFRUs 69
- Figure3.LocatingmajorFRUs 70
- .Locations65 71
- Locatingpartsonthesystemboard 72
- Locatinginternaldrives 73
- Chapter8.ReplacingFRUs 75
- Attention: 76
- Figure7.Removingthefrontbezel 77
- .ReplacingFRUs73 79
- Replacingthethermalsensor 80
- .ReplacingFRUs75 81
- Replacingtheopticaldrive 83
- Replacingthesystemfan 87
- InstallingorreplacingaPCIcard 88
- .ReplacingFRUs83 89
- Figure22.RemovingaPCIcard 90
- Replacingthebattery 91
- Chapter8.ReplacingFRUs87 93
- Chapter8.ReplacingFRUs89 95
- Replacingthemicroprocessor 96
- 2onthemicroprocessor 97
- Chapter8.ReplacingFRUs91 97
- Replacingthesystemboard 98
- Chapter8.ReplacingFRUs93 99
- ReplacingtheWiFiunits 100
- Chapter8.ReplacingFRUs95 101
- RemovingtheWiFicardmodule 102
- InstallingtheWiFiunits 103
- Chapter8.ReplacingFRUs99 105
- RemovingtherearWiFiantenna 106
- InstallingtherearWiFiantenna 106
- InstallingthefrontWiFiantenna 107
- Completingthepartsreplacement 109
- ©CopyrightLenovo2013 111
- Powermanagement 114
- AutomaticPower-onfeatures 114
- AppendixA.Notices 115
- Televisionoutputnotice 116
- EuropeanconformanceCEmark 116
- Trademarks 116
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